Welcome to Yutoshi's Manga
Featuring: Oni no Sekaino Senzou: Sentaku wa Mikata suru
Imagine this aside from the world which you are existing now there are other worlds that are existing...they're not really parallel dimensions more like other worlds what if this worlds are set like rooms and the only thing that separates this two rooms are a single wall...and if this wall breaks people from the other room can go in people from other worlds can go to another world
Nai is a world who has been at war with itself for centuries… ever since one of its two suns were destroyed…this world has been separated into two factions… Nai